Process for producing aminobenzylamine

Details Process for producing aminobenzylamine Process for producing aminobenzylamine

1989-03-14

1990-12-18

Hines, Robert V.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564385, C07C21100

Patent

active

049787926

ABSTRACT:
A commercially advantageous process for producing m- or p-aminobenzylamine is provided, which is characterized by subjecting m- or p-nitrobenzaldehyde and ammonia to catalytic reduction in the presence of a reducing catalyst in an organic solvent; in the reduction, when nitrobenzaldehyde and ammonia are in advance made a mixed solution in an organic solvent, and this solution is added in divided manner, the yield being further improved.

REFERENCES:
J. R. Griffith et al., NRL Report 6439, J. Medicinal Chem., vol. 20, No. 9, (1977), Neil C. Brown et al.
Synthetic Communications 7, 71-78 (1977), "A Convenient Synthesis of Amines", A. Siddiqui et al.
J. Am. Chem. Co., vol. 71, 2137 (1949), "The Selective Replacement of the Aromatic Primary Amino Group by Hydrogen in Aromatic-Aliphatic Diamines", N. Kornblum.

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